diff --git a/glib-formaterror.patch b/glib-formaterror.patch
index ecba4f7..b7b5e5b 100644
--- a/glib-formaterror.patch
+++ b/glib-formaterror.patch
@@ -9,3 +9,14 @@
  ])
  AC_SUBST(GLIB_WARN_CFLAGS)
  
+--- glib-2.57.1/configure.orig	2018-08-02 16:09:46.329046276 +0200
++++ glib-2.57.1/configure	2018-08-02 16:13:29.928093284 +0200
+@@ -29652,7 +29652,7 @@
+    -Werror=declaration-after-statement \
+    -Werror=missing-prototypes -Werror=implicit-function-declaration \
+    -Werror=pointer-arith -Werror=init-self -Werror=format-security \
+-   -Werror=format=2 -Werror=missing-include-dirs; do
++   -Werror=missing-include-dirs; do
+ 
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports flag $flag in envvar CFLAGS" >&5
+ $as_echo_n "checking if $CC supports flag $flag in envvar CFLAGS... " >&6; }
diff --git a/glib-prefer-constructors-over-DllMain.patch b/glib-prefer-constructors-over-DllMain.patch
index 01da75a..bd44bc8 100644
--- a/glib-prefer-constructors-over-DllMain.patch
+++ b/glib-prefer-constructors-over-DllMain.patch
@@ -13,10 +13,9 @@ versions using #pragma)
  1 file changed, 14 insertions(+), 8 deletions(-)
 
 diff --git a/glib/glib-init.c b/glib/glib-init.c
-index 0032ee8..dd6ccbf 100644
---- a/glib/glib-init.c
-+++ b/glib/glib-init.c
-@@ -223,12 +223,14 @@ glib_init (void)
+--- a/glib/glib-init.c	2018-08-02 16:09:46.277047195 +0200
++++ b/glib/glib-init.c	2018-08-02 16:10:23.617387056 +0200
+@@ -275,12 +275,14 @@
  
  #if defined (G_OS_WIN32)
  
@@ -33,7 +32,7 @@ index 0032ee8..dd6ccbf 100644
  BOOL WINAPI
  DllMain (HINSTANCE hinstDLL,
           DWORD     fdwReason,
-@@ -238,11 +240,6 @@ DllMain (HINSTANCE hinstDLL,
+@@ -290,11 +292,6 @@
      {
      case DLL_PROCESS_ATTACH:
        glib_dll = hinstDLL;
@@ -45,7 +44,7 @@ index 0032ee8..dd6ccbf 100644
        break;
  
      case DLL_THREAD_DETACH:
-@@ -259,7 +256,10 @@ DllMain (HINSTANCE hinstDLL,
+@@ -318,7 +315,10 @@
    return TRUE;
  }
  
@@ -57,7 +56,7 @@ index 0032ee8..dd6ccbf 100644
  
  #ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
  #pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(glib_init_ctor)
-@@ -269,6 +269,12 @@ G_DEFINE_CONSTRUCTOR(glib_init_ctor)
+@@ -328,6 +328,12 @@
  static void
  glib_init_ctor (void)
  {
@@ -70,5 +69,3 @@ index 0032ee8..dd6ccbf 100644
    glib_init ();
  }
  
--- 
-1.8.2
diff --git a/mingw-glib2.spec b/mingw-glib2.spec
index 4ceeceb..6f09844 100644
--- a/mingw-glib2.spec
+++ b/mingw-glib2.spec
@@ -39,8 +39,6 @@ BuildRequires:  gettext
 # Native version required for glib-genmarshal
 BuildRequires:  glib2-devel >= 2.45.3
 BuildRequires:  python3-devel
-BuildRequires:  automake
-BuildRequires:  autoconf
 
 # https://bugzilla.gnome.org/show_bug.cgi?id=674214
 Patch1:         0001-Use-CreateFile-on-Win32-to-make-sure-g_unlink-always.patch